Senior Information Security Engineer

Western Union; Denver (CO); On-site; USD 165,000 - 185,000; Full time

Benefits offered by this job

Paid Time off

Medical, Dental and Life Insurance

Parental Leave

Global Adoption Assistance

4% company contribution to 401K

Job summary

Western Union is looking for a Cybersecurity expert in Denver, CO, to lead Incident Response efforts and collaborate on Threat Hunting initiatives. The ideal candidate will have over 7 years of experience in technology and information security along with expertise in automation and incident handling.

The role offers a hybrid work schedule and includes key benefits such as medical insurance, paid time off, and a 401K contribution. If you are passionate about cybersecurity and ready to drive program maturity, we encourage you to apply!

Qualifications

• 7+ years of experience in technology and information security.
• Strong experience with automation, runbooks, and high-fidelity processes.
• Ability to communicate technical requirements to various personnel.

Responsibilities

• Perform intrusion scope and root cause analysis.
• Conduct proactive Threat Hunting exercises based on threat intelligence.
• Serve as the technical lead during Incident Response engagements.

Skills

Technology and information security

Application security

Incident response

Automation skills

AI and machine learning knowledge

Expertise in SIEM and EDR

Communication skills

Education

Bachelor's degree in Information Technology, Cybersecurity or Computer Science

Tools

SIEM

EDR

Web Application Firewalls

Cloud services

Job description

Role Responsibilities

• Performs intrusion scope and root cause analysis
• Assists in containment and remediation actions
• Serves as an escalation point for Cyber Fusion Center analysts
• Supports Purple Team engagements as a subject matter expert
• Conducts proactive Threat Hunting exercises based on relevant threat intelligence
• Works collaboratively with members from other Security Operations teams to drive Incident Response/Threat Hunting and overall program maturity
• Conducts legal holds/forensic analysis across multiple operating systems as required
• Serves as a Subject Matter Expert in Incident Response, guides technical and non-technical teams through the Incident Response lifecycle while driving containment, remediation, and lessons learned management
• Serves as the technical lead during Incident Response engagements
• Briefs Cybersecurity Leadership team throughout incidents

Role Requirements

• Bachelor's degree in Information Technology, Cybersecurity, Computer Science preferred
• 7+ years of technology, information security and/or application security experience
• Expert in top security flaws and resolutions as listed by OWASP, SANS etc.
• Strong experience with automation, automated runbooks, and ability to support the automation of high‑fidelity processes
• Expert with SIEM, EDR, and other event correlation technologies
• Experience with AI, generative and agentic, preferred
• Strong experience across multiple Operating Systems
• Knowledge of modern web and mobile application frameworks and their security requirements
• Knowledge of network architecture, protocols, and standards
• Knowledge of Web Application Firewalls, SSL/TLS, Forward and reverse proxies
• Knowledge of security considerations around virtualization and cloud applications
• Experience with incident response, forensics and evidence preservation
• Ability to communicate technical security requirements to technical and non-technical personnel
• Ability to collaborate with technical and vendor personnel, cloud service providers
• Available off-hours/on-call to handle occasional incidents and escalations

Applicants must be currently authorized to work in the United States on a full‑time basis. Western Union will not sponsor applicants for work visas for this position.

Work Shift

HYBRID - Western Union values in‑person collaboration, problem solving, and ideation whenever possible. We believe this fosters common ways of working and supports how we execute initiatives for our customers. The expectation is to work from the office a minimum of three days a week.

Benefits and Other Details

Benefits

You will also have access to short‑term incentives, multiple health insurance options, accident and life insurance, and access to best‑in‑class development platforms, to name a few. Please see the benefits below specific to your country. If applicable, additional role‑specific benefits will be mentioned during your interview process or in an offer of employment.

Your United States specific benefits include:

• Paid Time off
• Medical, Dental and Life Insurance
• Parental Leave
• Global Adoption Assistance
• 4% Western Union Contribution to 401K

We are passionate about honoring our employee's identity and fostering a feeling of belonging. Our commitment is to provide an inclusive culture that celebrates the unique backgrounds and perspectives of our global teams while reflecting on the communities we serve. We do not discriminate based on race, color, national origin, religion, political affiliation, sex (including pregnancy), sexual orientation, gender identity, age, disability, marital status, or veteran status. The company will provide accommodation to applicants, including those with disabilities, during the recruitment process, following applicable laws.

Salary: The annual base salary range is $165,000 to $185,000 per year. Total on‑target compensation includes a base salary and short‑term and long‑term incentives that align with individual and company performance. Actual salaries will vary based on candidates' qualifications, skills, and competencies.